﻿using Grand.Business.Messages.Services;
using Grand.Data;
using Grand.Domain.Messages;
using Grand.Infrastructure.Events;
using MediatR;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Moq;

namespace Grand.Business.Messages.Tests.Services;

[TestClass]
public class QueuedEmailServiceTests
{
    private Mock<IMediator> _mediatorMock;
    private Mock<IRepository<QueuedEmail>> _repository;
    private QueuedEmailService _service;

    [TestInitialize]
    public void Init()
    {
        _repository = new Mock<IRepository<QueuedEmail>>();
        _mediatorMock = new Mock<IMediator>();
        _service = new QueuedEmailService(_repository.Object, _mediatorMock.Object);
    }

    [TestMethod]
    public async Task GetQueuedEmailByIdTest()
    {
        await _service.GetQueuedEmailById("1");
        _repository.Verify(c => c.GetByIdAsync(It.IsAny<string>()), Times.Once);
    }

    [TestMethod]
    public async Task InsertQueuedEmail_ValidArgument_InvokeExpectedMethods()
    {
        await _service.InsertQueuedEmail(new QueuedEmail());
        _repository.Verify(c => c.InsertAsync(It.IsAny<QueuedEmail>()), Times.Once);
        _mediatorMock.Verify(c => c.Publish(It.IsAny<EntityInserted<QueuedEmail>>(), default), Times.Once);
    }

    [TestMethod]
    public void InsertQueuedEmail_NullArguemnt_ThrowException()
    {
        Assert.ThrowsExceptionAsync<ArgumentNullException>(async () =>
            await _service.InsertQueuedEmail(new QueuedEmail()));
    }

    [TestMethod]
    public async Task UpdateQueuedEmail_ValidArgument_InvokeExpectedMethods()
    {
        await _service.UpdateQueuedEmail(new QueuedEmail());
        _repository.Verify(c => c.UpdateAsync(It.IsAny<QueuedEmail>()), Times.Once);
        _mediatorMock.Verify(c => c.Publish(It.IsAny<EntityUpdated<QueuedEmail>>(), default), Times.Once);
    }

    [TestMethod]
    public void UpdateQueuedEmai_NullArguemnt_ThrowException()
    {
        Assert.ThrowsExceptionAsync<ArgumentNullException>(async () =>
            await _service.UpdateQueuedEmail(new QueuedEmail()));
    }

    [TestMethod]
    public async Task DeleteQueuedEmail_ValidArgument_InvokeExpectedMethods()
    {
        await _service.DeleteQueuedEmail(new QueuedEmail());
        _repository.Verify(c => c.DeleteAsync(It.IsAny<QueuedEmail>()), Times.Once);
        _mediatorMock.Verify(c => c.Publish(It.IsAny<EntityDeleted<QueuedEmail>>(), default), Times.Once);
    }

    [TestMethod]
    public async Task DeleteCustomerEmail_ValidArgument_InvokeExpectedMethods()
    {
        await _service.DeleteCustomerEmail("email@email.com");
        _repository.Verify(c => c.DeleteAsync(It.IsAny<IEnumerable<QueuedEmail>>()), Times.Once);
    }

    [TestMethod]
    public async Task DeleteAllEmails_ValidArgument_InvokeExpectedMethods()
    {
        await _service.DeleteAllEmails();
        _repository.Verify(c => c.ClearAsync(), Times.Once);
    }

    [TestMethod]
    public void DeleteQueuedEmai_NullArguemnt_ThrowException()
    {
        Assert.ThrowsExceptionAsync<ArgumentNullException>(async () =>
            await _service.DeleteQueuedEmail(new QueuedEmail()));
    }
}